Sound o rumore ?
[video=youtube;liqoMjRT81A]https://www.youtube.com/watch?v=liqoMjRT81A&list=UUCS1ZL9SgNsS4gvI1i0ydiA[/video]
[video=youtube;liqoMjRT81A]https://www.youtube.com/watch?v=liqoMjRT81A&list=UUCS1ZL9SgNsS4gvI1i0ydiA[/video]